package cn.uniqueww.config;

import cn.uniqueww.common.JacksonObjectMapper;
import com.github.xiaoymin.knife4j.spring.annotations.EnableKnife4j;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.RequestHandler;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.List;

/**
 * @description:静态资源放行
 * @author: 罗玉新
 * @create: 2022-08-20 11:28
 **/
@Slf4j
@Configuration
@EnableSwagger2
@EnableKnife4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        /**
         * 静态资源的映射
         */
        log.info("开始进行静态资源映射");
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
        //swagger配置
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:META-INF/resources/");
        registry.addResourceHandler("webjars/**").addResourceLocations("classpath:META-INF/resources/webjars/");
    }

    /**
     * 扩展mvc消息转换器
     *
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建新的消息转换器
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        //设置消息转换器底层使用Jackson将java对象转为json
        converter.setObjectMapper(new JacksonObjectMapper());
        //将设置好的转换器追加到集合中
        converters.add(0,converter);
    }

    /**
     * swagger配置
     * */
    @Bean
    public Docket createRestApi(){
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(this.apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("cn.uniqueww.controller"))
                .paths(PathSelectors.any())
                .build();
    }

    private ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title("瑞吉外卖")
                .version("1.0.0")
                .description("瑞吉外卖接口文档")
                .build();
    }
}
